/ Dictionary / Index E eustele: Meaning and Definition of Find definitions for: eu•stele Pronunciation: (y'stēl, y-stē'lē), [key] — pl. -steles. an arrangement of the xylem and phloem in discrete strands, separated by areas of parenchymatous tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eustasy eustyle Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language